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Why is an int in OCaml only 31 bits?
...onstruct a new integer object to hold the result.
So, in order to perform one integer addition, you actually need to perform three integer additions plus two pointer dererefences plus one object construction. And you take up almost 20 Byte.
However, the trick is that with so-called immutable value...
How to intercept touches events on a MKMapView or UIWebView objects?
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This is perfect solution. I need one clarification: In the method "- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event", what is the purpose of using the code: if (touchesBeganCallback) touchesBeganCallback(touches, event);
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Using Sinatra for larger projects via multiple files
...s are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is received then another action - similar lo...
WiX tricks and tips
...-nologo -sfrag -suid -ag -srd -dir WebHelp -out WebHelp.wxs -cg WebHelpComponent -dr INSTALLLOCATION -var var.WebDeploySourceDir
There's a bit going on, robocopy is stripping out Subversion working copy metadata before harvesting; the -dr root directory reference is set to our installation locati...
Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
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I found another one excellent and detailed explanation - stackoverflow.com/questions/3601515/…
– valentt
May 11 '17 at 13:17
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Chaining multiple MapReduce jobs in Hadoop
... data after a job has finished you can do this in your code. The way i've done it before is using something like:
FileSystem.delete(Path f, boolean recursive);
Where the path is the location on HDFS of the data. You need to make sure that you only delete this data once no other job requires it.
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Android accelerometer accuracy (Inertial navigation)
...s looking into implementing an Inertial Navigation System for an Android phone, which I realise is hard given the accelerometer accuracy, and constant fluctuation of readings.
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Can Flask have optional URL parameters?
...er way is to write
@user.route('/<user_id>', defaults={'username': None})
@user.route('/<user_id>/<username>')
def show(user_id, username):
pass
But I guess that you want to write a single route and mark username as optional? If that's the case, I don't think it's possible....
Are there any naming convention guidelines for REST APIs? [closed]
...standards for naming conventions within the API (eg: URL endpoint path components, querystring parameters)? Are camel caps the norm, or underscores? others?
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What exactly is OAuth (Open Authorization)?
...In. Adding all of your many, many friends manually is tiresome and error-prone. You might get fed up half-way or insert typos in their e-mail address for invitation. So you might be tempted not to create an account after all.
Facing this situation, LinkedIn has the Good Idea(TM) to write a program ...